my awesomest math puzzle

(A+B)(B-B)
ARCHIMEDES
BRAMHAGUPTA
DAVIDHILBERT
HIPPOCRATES
INTEGERS
IRRATIONAL
ISAACNEWTON
RATIONAL

it contains all math stuff

Try to find all 9 words on this board.

Q M Q S E T A R C O P P I H T
I D S O M T R R S F M L H D S
X ( A + B ) ( B - B ) A B X E
Z H R V B R A M H A G U P T A
W G C C I S A A C N E W T O N
N A H A R D Z T G P R R V L A
F M I U R B H F I X H Q R Q Z
O Y M E A T I I T O R M R R H
F I E P T E R N L C N S I X D
P J D G I L Y T B B A A T B S
P W E A O L I E A I E Z L Q D
X V S P N B D G I U E R O X H
H K Z S A F B E L G E U T Z J
I W P R L S E R I B W H D X B
P I Z A D B Z S B O R I G Y M
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Answer Key for my awesomest math puzzle

X
Y
123456789101112131415
1# # # S E T A R C O P P I H #
2# D # # # # # # # # # # # # #
3# ( A + B ) ( B - B ) # # # #
4# # R V B R A M H A G U P T A
5# # C # I S A A C N E W T O N
6# # H # R D # T # # # # # # #
7# # I # R # H # I # # # # # #
8# # M # A # # I # O # # # # #
9# # E # T # # N L # N # # # #
10# # D # I # # T # B # A # # #
11# # E # O # # E # # E # L # #
12# # S # N # # G # # # R # # #
13# # # # A # # E # # # # T # #
14# # # # L # # R # # # # # # #
15# # # # # # # S # # # # # # #
Word X Y Direction
(A+B)(B-B)  33e
ARCHIMEDES  33s
BRAMHAGUPTA  54e
DAVIDHILBERT  88se
HIPPOCRATES  141w
INTEGERS  88s
IRRATIONAL  55s
ISAACNEWTON  55e
RATIONAL  64se